troposphere

noun

"troposphere" is a 11-letter English headword indexed on PlainSpell.

The verdict

“troposphere” is uncommon English (frequency #65,586 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#65,586
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The lower levels of the atmosphere extending from the surface of the Earth or another celestial body up to the tropopause. It is characterized by convective air movements and a large vertical tempe...

Corpus desk

Index EN-troposphere · troposphere · English

troposphere · rank #65,586 · 0 variants · 0 confusables

  • FREQ-RARE #65,586
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH travertine

Nearest frequency peer: travertine (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “troposphere”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “troposphere” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for troposphere
PropertyValue
Headwordtroposphere
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#65,586
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “troposphere” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).tropospherefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “travertine” (#65,585), “trapezoidal” (#65,584), “twittering” (#65,588). Among 3,151 “T” headwords, “troposphere” is #65,586. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

troposphere is uncommon English at frequency #65,586 among 3,151 “T” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The lower levels of the atmosphere extending from the surface of the Earth or another celestial body up to the tropopause. It is characterized by convective air movements and a large vertical tempe...".

Zero misspellings are on record for troposphere in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Borrowed from French troposphère. Equivalent to tropo- + -sphere. The correct English form is troposphere, spelled T-R-O-P-O-S-P-H-E-R-E.

Definition

  1. 1
    The lower levels of the atmosphere extending from the surface of the Earth or another celestial body up to the tropopause. It is characterized by convective air movements and a large vertical temperature change.

Etymology

Borrowed from French troposphère. Equivalent to tropo- + -sphere.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "troposphere"?
"troposphere" is spelled T-R-O-P-O-S-P-H-E-R-E.
What does "troposphere" mean?
As a noun, "troposphere" means: The lower levels of the atmosphere extending from the surface of the Earth or another celestial body up to the tropopause. It is characterized by convective air movements and a large vertical tempe...
What is the origin of the word "troposphere"?
Borrowed from French troposphère. Equivalent to tropo- + -sphere. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "troposphere", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list